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Andrea Righi c593e3605e scx_rustland: report user-space scheduler page fault counter 
Periodically report a page fault counter in the scheduler output. The
user-space scheduler should never trigger page faults, otherwise we may
experience deadlocks (that would trigger the sched-ext watchdog,
unloading the scheduler).

Reporting a page fault counter periodically to stdout can be really
helpful to debug potential issues with the custom allocator.

Moreover, group together also nr_sched_congested and
nr_failed_dispatches with nr_page_faults and use the sum of all these
counters to determine the healthy status of the user-space scheduler
(reporting it to stdout as well).

Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
2024-01-14 22:07:37 +01:00
..
scx_layered Bump versions 2024-01-08 18:49:54 -10:00
scx_rustland scx_rustland: report user-space scheduler page fault counter 2024-01-14 22:07:37 +01:00
scx_rusty Bump versions 2024-01-08 18:49:54 -10:00
meson.build scx_rustland: rename from scx_rustlite 2023-12-22 00:20:14 +01:00
README.md Add README files for each rust scheduler 2024-01-04 07:35:44 -08:00

README.md

RUST SCHEDULERS

Introduction

This directory contains schedulers with user space rust components.

The README in each scheduler directory provides some background and describes the types of workloads or scenarios they're designed to accommodate. For more details on any of these schedulers, please see the header comment in their main.rs or *.bpf.c files.

Schedulers